Science of Glaciers - National Snow and Ice Data Center
Visitors to the terminus of the Perito Moreno Glacier in Patagonia, South America, listen and observe its dynamic motion. Climate change has yet to affect the Perito Moreno Glacier, mainly because of its particular topographic situation.
Snow Today | National Snow and Ice Data Center
Jun 5, 2024 · Snow-covered area in May 2024 across the western United States was 56 percent above average (Table 1), at 156,000 square kilometers (60,000 square miles) of snow cover, ranking third highest in the 24-year satellite record.
Why Glaciers Matter - National Snow and Ice Data Center
Himalayan river bridges are used to cross rivers during the flood season. As mountain glaciers shrink or disappear, changes to their runoff affects river levels, increases the potential for glacier lake outburst floods, and changes flood severity and frequency.
Charctic Interactive Sea Ice Graph - National Snow and Ice Data …
How to use Charctic. Developed at NSIDC with support from NASA, the Charctic Interactive Sea Ice Graph enables users to more easily access and explore the National Oceanic and Atmospheric Administration program at NSIDC (NOAA@NSIDC) Sea Ice …
Sea Ice Today - National Snow and Ice Data Center
Nov 4, 2024 · Sea ice data is updated daily, with a one-day lag. On occasion, there is data delay which is usually resolved within a few days. The orange line in extent and concentration images (left and middle) and the gray line in the time series (right) indicate 1981 to 2010 average extent for the day shown.
Homepage | National Snow and Ice Data Center
Starting in 2015, data from the NASA Soil Moisture Active Passive (SMAP) satellite were collected using GPS signals. They had been stored, but not processed, because to do so required expertise in Global Navigation Satellite System-Reflectometry (GNSS-R), …
Learn - National Snow and Ice Data Center
Quick facts, basic science, and information about snow, ice, and why the cryosphere matters The cryosphere includes all of the snow and ice-covered regions across the planet.
Glaciers - National Snow and Ice Data Center
This graphic illustrates the process of glacial ice formation and approximate percentages of air (by volume) in each step. — Credit: Department of Geography and Environmental Science/Hunter College Glaciers begin to form when snow remains in the same area year round, where enough snow accumulates to transform into ice.
Snow Today - Snow Viewer | National Snow and Ice Data Center
To get started, select Western United States. Check out the Snow Viewer Guide to see current known data issues and to learn how the the Snow Viewer works. We also plan to add more regions and variables over the coming weeks. For data access, visit the About page for instructions on how to download individual data files.. This viewer works best on a desktop monitor; using the viewer on a ...
Sea Ice Index Daily and Monthly Image Viewer
The monthly Sea Ice Index provides a quick look at Arctic-wide changes in sea ice. It is a source for consistently processed ice extent and concentration images and data values since 1979. Monthly images show sea ice extent with an outline of …